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article

Temperature Effect on Strain Hardening Behaviors of As‐Extruded Binary Magnesium Alloys

Chaoyue Zhao, Xianhua Chen, Teng Tu, Ziyi Wang, more

Advanced Engineering Materials > 23 > 4 > n/a - n/a

Herein, the effect of temperature on strain‐hardening behaviors of binary Mg‐3X (X = Al, Zn, Sn, Y, and Gd) alloys were investigated. Uniaxial tensile tests are carried out at room temperature (RT), 150 and 250 °C. These samples are composed of α‐Mg phase and second‐phase precipitates which exist only in Mg‐3Sn and Mg‐3Gd. In the temperature range of this work, dislocation movement dominates the...

article

A Novel Bridge Damage Diagnosis Algorithm Based on Deep Learning with Gray Relational Analysis for Intelligent Bridge Monitoring System

Haitao Xiao, Wenjie Wang, Limeng Dong, Harutoshi Ogai

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 730 - 742

In recent years, intelligent structural damage diagnosis algorithms using machine learning have achieved much success. However, because of the fact that in real bridge applications, the working environment (load, temperature, and noise) is changing all the time, degradation of the performance of intelligent structural damage diagnosis methods is very serious. To address these problems, a novel bridge...

article

Study on Near‐Adiabatic Performance of Electric Vehicles' Lithium Battery at Low Temperature

Li Wenhua, Yuan Zihe, Shao Fangxu, He Mingze, more

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 798 - 806

In recent years, electric vehicles have developed rapidly. However, as the power source of electric vehicles, lithium battery has poor performance at low temperature, and has some problems such as reduced capacity and increased internal resistance. In this paper, two thermal environments, including natural convection condition and near‐adiabatic condition, are established, and discharge capacity test...

article

Person Tracking Using Ankle‐Level LiDAR Based on Enhanced DBSCAN and OPTICS

Mahmudul Hasan, Junichi Hanawa, Riku Goto, Hisato Fukuda, more

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 778 - 786

Along with the progress of deep learning techniques, people tracking using video cameras became easy and accurate. However, privacy and security issues are not enough to be concerned with vision‐based monitoring. People may not be tolerated surveillance cameras installed everywhere in our daily life. A camera‐based system may not work robustly in unusual situations such as smoke, fogs, or darkness...

article

Interleaved Parallel High Step‐up DC‐DC Converter with Cross‐Coupled Inductors for Low Current/Voltage Ripple and Auto‐Current Sharing

Liangzong He, Tao Zeng

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 787 - 797

An interleaved parallel high step‐up DC‐DC converter with cross‐coupled inductors for low current/voltage ripple and auto‐current sharing was proposed in this paper. This converter applies interleaved parallel input which decreases the input current ripple significantly. Due to the interleaved coupling effect of three coils of the cross‐coupled inductors, this converter can realize automatic current...

article

Attributed Graph Matching via Seeds Guiding

Hui Zhu, Yali Zheng

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 754 - 760

Attributed graph is a typical class of graphs with a set of attributes on nodes, edges, even high‐order structure. Objects in the fields are naturally represented as attributed graphs with considerable noise and a large number of nodes, which make traditional graphs matching techniques confront with some new challenges, such as optimization difficulty, inability to match and so on. In order to solve...

article

A Simple and High‐Accuracy PID‐Based Temperature Control System for Magnetic Hyperthermia Using Fiber Optic Thermometer

Akihiro Shikano, Loi Tonthat, Shin Yabukami

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 807 - 809

Magnetic hyperthermia is very promising cancer therapy in which heating temperature is expected to be a key determinant for its success. Herein, we present a simple, real‐time, and high‐accuracy proportional‐integral‐derivative‐based temperature control system for magnetic hyperthermia using widely‐used induction heater and fiber optic thermometer. Our in vitro result shows that the temperature of...

article

Electromagnetic and Thermal Analysis of a ZnO Element of Transmission‐Line Arrester for a Lightning Surge Current

Hiroki Saito, Tokuya Tanaka, Ryohei Tosa, Yoshihiro Baba, more

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 810 - 812

The voltage generated across a zinc‐oxide (ZnO) element, in which a lightning impulse current flows, has been computed with the finite‐difference time‐domain (FDTD) method. Also, the distribution of temperature in the ZnO element has been computed on the basis of FDTD‐computed conduction current densities with a discretized heat equation. The ZnO element having a thickness of 37 mm and a diameter...

article

Development of Air‐Conditioning Operation‐Planning Method for Large Spaces

Ryosuke Nakamura, Tsutomu Kawamura

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 761 - 768

When targeting large spaces, temperature distribution occurs due to air flow. Therefore, when evaluating the some state quantity values in large spaces using the single‐mass model, the evaluation values cannot be accurately evaluated. In our developed method, we analyze in advance flow distribution with high computational load and make contributed ratio of indoor climate (CRI). By using CRI for making...

article

Adaptive Iteration Methods for Blind Carrier Frequency Estimation in Multi‐User OFDMA Systems

Nan‐Hung Cheng, Yi‐Fan Wang, Yung‐Fang Chen, Shu‐Ming Tseng

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 769 - 777

Subspace‐based blind carrier frequency offset (CFO) estimation algorithms in orthogonal frequency division multiple access (OFDMA) systems have been developed in the literature. However, the algorithms have some restrictions or require high computational complexity. In this paper, we propose simple iteration schemes to reduce complexity with an adaptive manner and present a time‐variant CFO adaptive...

article

A Novel Concatenated LWT and WHT Based UFMC Waveform Design for the Next Generation Wireless Communication Systems

Elif Nur Ayvaz, Meryem Maraş, Meltem Gömeç, Asuman Savaşcıhabeş, more

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 743 - 753

A novel concatenated Lifting Wavelet Transform (LWT) and Walsh Hadamard Transform (WHT) with Universal Filtered Multi Carrier (UFMC) waveform is suggested as an alternative to Orthogonal Frequency Division Multiplexing (OFDM) waveform for the next generation wireless telecommunication systems in this paper. The suggested waveform is composed of LWT and WHT with UFMC waveform. Both the elimination...

article

Deep Learning Method for Melanoma Discrimination Using Blood Flow Distribution Images

Shunsuke Akiguchi, Tomoaki Kyoden, Tomoki Tajiri, Tsugunobu Andoh, more

IEEJ Transactions on Electrical and Electronic Engineering > 16 > 5 > 813 - 815

We have developed a multipoint laser Doppler velocimeter (MLDV) that can measure blood flow velocity non‐invasively. The device can acquire blood flow velocity in absolute value and image the blood flow distribution. Absolute values of blood flow velocity indicated a follow‐up on the affected area. Therefore, we have performed a follow‐up for melanoma and breast cancer. However, this device does not...

article

Integrating new sea‐level scenarios into coastal risk and adaptation assessments: An ongoing process

Robert J. Nicholls, Susan E. Hanson, Jason A. Lowe, Aimée B. A. Slangen, more

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

The release of new and updated sea‐level rise (SLR) information, such as from the Intergovernmental Panel on Climate Change (IPCC) Assessment Reports, needs to be better anticipated in coastal risk and adaptation assessments. This requires risk and adaptation assessments to be regularly reviewed and updated as needed, reflecting the new information but retaining useful information from earlier assessments...

article

The Australian bushfire disaster: How to avoid repeating this catastrophe for biodiversity

Danielle Celermajer, Rosemary Lyster, Glenda M. Wardle, Rachel Walmsley, more

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

Bushfires in Australia in the “Black Summer” of 2019–2020 shocked the world. Research is allowing us to begin to appreciate the scale of the catastrophe for humans, other animals, and the environment. If we are to anticipate, mitigate, and prevent further catastrophes and to protect biodiversity as best we can, we must develop a comprehensive picture of the impacts of these recent bushfires, understand...

article

Muslims and climate change: How Islam, Muslim organizations, and religious leaders influence climate change perceptions and mitigation activities

Jens Koehrsen

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

A growing body of research stresses the importance of religion in understanding and addressing climate change. However, so far, little is known about the relationship between Muslim communities and climate change. Globally, Muslims constitute the second largest faith group, and there is a strong concentration of Muslims in regions that are particularly affected by global warming. This review synthesizes...

article

The politics and governance of research into solar geoengineering

Duncan McLaren, Olaf Corry

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

Research into solar geoengineering, far from being societally neutral, is already highly intertwined with its emerging politics. This review outlines ways in which research conditions or constructs solar geoengineering in diverse ways, including the forms of possible material technologies of solar geoengineering; the criteria and targets for their assessment; the scenarios in which they might be deployed;...

article

Observed and projected changes in global climate zones based on Köppen climate classification

Diyang Cui, Shunlin Liang, Dongdong Wang

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

In recent years, there has been a growing body of literature applying the Köppen classification scheme to investigate the changes in the distribution of bioclimatic conditions. Area changes and latitude and elevation shifts of Köppen climate zones have been examined based on the observed and projected datasets. This review article provides a comprehensive insight into the changes in global Köppen...

article

Issue Information

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

article

Risks to future atoll habitability from climate‐driven environmental changes

Virginie K. E. Duvat, Alexandre K. Magnan, Chris T. Perry, Tom Spencer, more

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

Recent assessments of future risk to atoll habitability have focused on island erosion and submergence, and have overlooked the effects of other climate‐related drivers, as well as differences between ocean basins and island types. Here we investigate the cumulative risk arising from multiple drivers (sea‐level rise; changes in rainfall, ocean–atmosphere oscillations and tropical cyclone intensity;...

article

Tradable instruments to fight climate change: A disappointing outcome

Philippe Quirion

Wiley Interdisciplinary Reviews: Climate Change > 12 > 3 > n/a - n/a

Various tradable instruments have been implemented for climate change mitigation: emission trading systems, tradable energy‐efficiency obligations, and tradable renewable energy quotas. Their track record has been disappointing so far; almost every emission trading has suffered from over‐allocation which has undermined its effectiveness; tradable energy‐efficiency obligations seem to have mostly co‐financed...

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Search results

Temperature Effect on Strain Hardening Behaviors of As‐Extruded Binary Magnesium Alloys

A Novel Bridge Damage Diagnosis Algorithm Based on Deep Learning with Gray Relational Analysis for Intelligent Bridge Monitoring System

Study on Near‐Adiabatic Performance of Electric Vehicles' Lithium Battery at Low Temperature

Person Tracking Using Ankle‐Level LiDAR Based on Enhanced DBSCAN and OPTICS

Interleaved Parallel High Step‐up DC‐DC Converter with Cross‐Coupled Inductors for Low Current/Voltage Ripple and Auto‐Current Sharing

Attributed Graph Matching via Seeds Guiding

A Simple and High‐Accuracy PID‐Based Temperature Control System for Magnetic Hyperthermia Using Fiber Optic Thermometer

Electromagnetic and Thermal Analysis of a ZnO Element of Transmission‐Line Arrester for a Lightning Surge Current

Development of Air‐Conditioning Operation‐Planning Method for Large Spaces

Adaptive Iteration Methods for Blind Carrier Frequency Estimation in Multi‐User OFDMA Systems

A Novel Concatenated LWT and WHT Based UFMC Waveform Design for the Next Generation Wireless Communication Systems

Deep Learning Method for Melanoma Discrimination Using Blood Flow Distribution Images

Integrating new sea‐level scenarios into coastal risk and adaptation assessments: An ongoing process

The Australian bushfire disaster: How to avoid repeating this catastrophe for biodiversity

Muslims and climate change: How Islam, Muslim organizations, and religious leaders influence climate change perceptions and mitigation activities

The politics and governance of research into solar geoengineering

Observed and projected changes in global climate zones based on Köppen climate classification

Issue Information

Risks to future atoll habitability from climate‐driven environmental changes

Tradable instruments to fight climate change: A disappointing outcome

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